| 摘要 |
In a switching device (1), in particular a D.C. switching device, with at least one electric input (2) and at least one electric output (3), at least one first switching contact (4) and a movable switching bridge (11), the switching device (1) further having an arc-extinguishing arrangement (6) with at least one arc-extinguishing chamber (7) and a U-shaped yoke (8) arranged around the outside of portions of the at least one arc-extinguishing chamber (7), at least one first limb (9) of the U-shaped yoke (8) has a predeterminable number of passages (10). |
